Sahih al-Bukhari 120
Book 3: Knowledge · Hadith 62
Hadith text
حَدَّثَنَا إِسْمَاعِيلُ، قَالَ حَدَّثَنِي أَخِي، عَنِ ابْنِ أَبِي ذِئْبٍ، عَنْ سَعِيدٍ الْمَقْبُرِيِّ، عَنْ أَبِي هُرَيْرَةَ، قَالَ حَفِظْتُ مِنْ رَسُولِ اللَّهِ صلى الله عليه وسلم وِعَاءَيْنِ، فَأَمَّا أَحَدُهُمَا فَبَثَثْتُهُ، وَأَمَّا الآخَرُ فَلَوْ بَثَثْتُهُ قُطِعَ هَذَا الْبُلْعُومُ.
Narrated Abu Huraira:I have memorized two kinds of knowledge from Allah's Messenger (ﷺ) . I have propagated one of them to you and if I propagated the second, then my pharynx (throat) would be cut (i.e. killed)
Abu Huraira (رضی اللہ عنہ) bataate hain: "Maine Allah ke Rasool (ﷺ) se do tarah ka ilm yaad kiya hai. Ek tumhe bata diya, agar doosra bataun to mera galaa kaat diya jayega."
Sahih al-Bukhari 120 · Book 3, Hadith 62